Parison



FIG. 1 is a perspective view of the parison according to the present invention;

FIG. 2 is a plan view showing the top of the parison;

FIG. 3 is a plan view showing the bottom of the parison;

FIG. 4 is an elevational view showing the right side of the parison;

FIG. 5 is an elevational view showing the rear of the parison; and,

FIG. 6 is an elevational view showing the front side of the parison.

The broken line showing is for illustrative purposes only and forms no part of the claimed design. 

The ornamental design for a parison, as shown and described. 